The genetic characteristics of the cupreous porphyries in Shanyang District, Shanxi Province

Yaxiong Zhang

doi:10.1007/BF02652006

Journal of Central South University ›› 1995, Vol. 2 ›› Issue (2) : 42 -47. DOI: 10.1007/BF02652006

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The genetic characteristics of the cupreous porphyries in Shanyang District, Shanxi Province

Yaxiong Zhang ¹

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Abstract

The cupreous porphyries occurring in Shanyang District, Shanxi Province, were geotectonically developed in Qinling orogenic belt during Yenshan epoch. Their K/Na=0.84–2.74,δ = 2.48–3.70, DI = 70.19–80.69,δEu≈1,δ³⁴S is approximately consistent with that of the meterorite, lead isotope leadμ=9.03–9.42. All of the petrochemistry characteristics show that those porphyries are anatectic syntectic (I-type) granites formed in the intracontinental subduction belt, and the granites are favourable for forming the porphyry copper deposit.

Keywords

porphyry / genetic characteristic / anatectic syntectic granite / copper deposit

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Yaxiong Zhang. The genetic characteristics of the cupreous porphyries in Shanyang District, Shanxi Province. Journal of Central South University, 1995, 2(2): 42-47 DOI:10.1007/BF02652006

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References

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[1]	QiuJiaxingThe magmatic petrology, 1986, Beijing, The Geological Press: 328-340(in Chinese)

[2]	ZhangGouwei, ZhangFuxianThe formation and evalution of the Qinling orogen, 1988, Xian, The Northwest University Press: 1-1(in Chinese)

[3]	ZhangBenren, LiZejiu, ChenDexing, et al.Regional geochemistry of the Zhashui-Shanyang metallogenic betlt, Shanxi Province, 1989, Wuhan, China University of Geosciences Press: 1-1(in Chinese)